NPPES file of Aug 9, 2026

Mary Beth Koster, OTR/L

Occupational Therapist · Seward, AK

Mary Beth Koster, OTR/L is an occupational therapist with a practice address in Seward, Alaska, and NPI 1821341033, issued on Oct 25, 2012. Check the license (Alaska 1009, as entered in NPPES) with the Alaska board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821341033
Name
Mary Beth Koster
Credential
OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
License number
1009 AK
Self-reported in NPPES; status is on the state search
Practice location
417 First Ave, Seward, AK 99664
Phone
(907) 224-2800
Enumerated
Oct 25, 2012
Record last updated
Oct 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 417 First Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Reeg, MDFamily Medicine Physician1912010059
  2. Ann Wright, RNHome Health Registered Nurse1770700791

Verify Mary Beth Koster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Alaska board licenses this profession
    Search for license 1009
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Alaska license search

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Mary Beth Koster among 332 occupational therapist records in Alaska

Mary Beth Koster, OTR/L is one of 332 occupational therapist records with a practice address in Alaska. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 29% of them.

  • NPI issued2012 · 29% of these records are older, 68% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 16% of these records are
  • Record last updated2012 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 occupational therapist records list a practice address in Seward

They are 4 of the 239 NPPES records with a practice address in Seward, and 332 occupational therapist records in Alaska. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 occupational therapist records with the nearest ZIP codes

  1. Carolyn Faucher, OTRLSeward, AK 996641235349788
  2. Karin HardySeward, AK 996641376849513
  3. Kara Lockwood, OTD, OTR/LSeward, AK 996641649790924
  4. Jennifer BlossomSoldotna, AK 996691982063285
  5. Kari Cook, OTRSoldotna, AK 996691639462690
  6. Beth Demick, OTR/LSoldotna, AK 996691760901532
  7. Brittany Gardner, PTSoldotna, AK 996691184918732
  8. Mary Glynn, BSSoldotna, AK 996691902232515

Common questions

What is Mary Beth Koster, OTR/L's NPI number?

Mary Beth Koster, OTR/L's National Provider Identifier (NPI) is 1821341033, issued on Oct 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mary Beth Koster, OTR/L located?

The NPPES record lists a practice address at 417 First Ave, Seward, AK, 99664. Phone: (907) 224-2800. Providers update this record themselves, so call before visiting.

How can I verify Mary Beth Koster, OTR/L's license?

NPPES lists Alaska license number 1009, as entered by the provider. Search the Alaska board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.